From bc882b1880b94d3731b462d3a213885073b350ed Mon Sep 17 00:00:00 2001
From: Tilman Schmidt <tilman@imap.cc>
Date: Mon, 21 Jan 2013 11:57:21 +0000
Subject: [PATCH] isdn/gigaset: beautify common.c
Rearrange the gigaset_freecs() function to make it more readable,
and adapt gigaset_initcs() accordingly.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/isdn/gigaset/common.c | 31 +++++++++----------------------
1 file changed, 9 insertions(+), 22 deletions(-)
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 6849a11a1b24..7c7814497e3e 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -467,11 +467,6 @@ void gigaset_freecs(struct cardstate *cs)
mutex_lock(&cs->mutex);
- if (!cs->bcs)
- goto f_cs;
- if (!cs->inbuf)
- goto f_bcs;
-
spin_lock_irqsave(&cs->lock, flags);
cs->running = 0;
spin_unlock_irqrestore(&cs->lock, flags); /* event handler and timer are
@@ -507,17 +502,16 @@ void gigaset_freecs(struct cardstate *cs)
gig_dbg(DEBUG_INIT, "clearing at_state");
clear_at_state(&cs->at_state);
dealloc_temp_at_states(cs);
+ clear_events(cs);
tty_port_destroy(&cs->port);
/* fall through */
case 0: /* error in basic setup */
- clear_events(cs);
gig_dbg(DEBUG_INIT, "freeing inbuf");
kfree(cs->inbuf);
+ kfree(cs->bcs);
}
-f_bcs: gig_dbg(DEBUG_INIT, "freeing bcs[]");
- kfree(cs->bcs);
-f_cs: gig_dbg(DEBUG_INIT, "freeing cs");
+
mutex_unlock(&cs->mutex);
free_cs(cs);
}
@@ -687,19 +681,6 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
return NULL;
}
- gig_dbg(DEBUG_INIT, "allocating bcs[0..%d]", channels - 1);
- cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL);
- if (!cs->bcs) {
- pr_err("out of memory\n");
- goto error;
- }
- gig_dbg(DEBUG_INIT, "allocating inbuf");
- cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL);
- if (!cs->inbuf) {
- pr_err("out of memory\n");
- goto error;
- }
-
cs->cs_init = 0;
cs->channels = channels;
cs->onechannel = onechannel;
@@ -729,6 +710,12 @@ struct cardstate *gigaset_initcs(struct gigaset_driver *drv, int channels,
cs->mode = M_UNKNOWN;
cs->mstate = MS_UNINITIALIZED;
+ cs->bcs = kmalloc(channels * sizeof(struct bc_state), GFP_KERNEL);
+ cs->inbuf = kmalloc(sizeof(struct inbuf_t), GFP_KERNEL);
+ if (!cs->bcs || !cs->inbuf) {
+ pr_err("out of memory\n");
+ goto error;
+ }
++cs->cs_init;
gig_dbg(DEBUG_INIT, "setting up at_state");